1. Week 20 Math Vocabulary dodecagon – 12 sided polygon
360 degrees – sum of the measures of angles in a rectangle
arc – unbroken part of a circle
line segment – part of a line with 2 endpoints

2. bisector – ray, segment, point, or line that divides a figure into two congruent pieces
addition property – if x + 5 = 10, then (x+5) + 3 =
complement – when added to another angle the sum must equal 90 degrees
slope – rise over run

3. Test ~ Thursday, January 15, 2009
power of a product – for any number a, and all integers m and n, (ab)m = ambm
prime number – a whole number greater than 1 whose only factors are 1 and itself
Test ~ Thursday, January 15, 2009